Merge tag 'microblaze-v5.20' of git://git.monstr.eu/linux-2.6-microblaze
[linux-2.6-microblaze.git] / include / linux / dsa / 8021q.h
1 /* SPDX-License-Identifier: GPL-2.0
2  * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
3  */
4
5 #ifndef _NET_DSA_8021Q_H
6 #define _NET_DSA_8021Q_H
7
8 #include <linux/refcount.h>
9 #include <linux/types.h>
10 #include <net/dsa.h>
11
12 struct dsa_switch;
13 struct dsa_port;
14 struct sk_buff;
15 struct net_device;
16
17 struct dsa_tag_8021q_vlan {
18         struct list_head list;
19         int port;
20         u16 vid;
21         refcount_t refcount;
22 };
23
24 struct dsa_8021q_context {
25         struct dsa_switch *ds;
26         struct list_head vlans;
27         /* EtherType of RX VID, used for filtering on master interface */
28         __be16 proto;
29 };
30
31 int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
32
33 void dsa_tag_8021q_unregister(struct dsa_switch *ds);
34
35 int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port,
36                               struct dsa_bridge bridge);
37
38 void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port,
39                                 struct dsa_bridge bridge);
40
41 struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
42                                u16 tpid, u16 tci);
43
44 void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id,
45                    int *vbid);
46
47 struct net_device *dsa_tag_8021q_find_port_by_vbid(struct net_device *master,
48                                                    int vbid);
49
50 u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num);
51
52 u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp);
53
54 int dsa_8021q_rx_switch_id(u16 vid);
55
56 int dsa_8021q_rx_source_port(u16 vid);
57
58 bool vid_is_dsa_8021q(u16 vid);
59
60 #endif /* _NET_DSA_8021Q_H */